{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["RNA", "cell line", "DNA", "protein", "cell type"], "input": "However, combination of OKT3 and phorbol myristate acetate produced a concentration of binding sites similar to the PHA -activated cells ."}
{"RNA": [], "cell line": ["PHA -activated cells"], "DNA": [], "protein": ["OKT3", "PHA"], "cell type": []}